A process for operating an internal combustion engine or a nozzle includes producing a fuel mixture in-situ. To cause positive rotation of the drive shaft, only the positive rotation belt is tensed by the belt switching means, and rotation from the positive rotation drive pulley is transmitted to the drive shaft via the positive rotation shaft. The first exhaust opening is located on hot melt surface. One of the legs is thicker than the other and unable to pass through a passageway between the pin and the floor of the tool pocket. A touch apparatus is also provided.